The QuietFlex Mobile Home Flex Ducthas an extra heavy-duty, UV-inhibited, polyethylene-vapor barrier and complies with HUD standards for outdoor use with mobile homes. Insulated Flex Duct R-6 Polyethylene Exterior Vapor Barrier.
Two tough plies of black polyester film encapsulate a steel wire helix. Rated pressures per UL-181: 10 in. W.C. positive, 1/2 W.C. negative. Rated max. air velocity: 4000 FPM
R-6 certified by Underwriters Laboratories Inc. and the Air Diffusion Council in accordance with ADC Flexible Duct Performance and Installation Standards using ASTM C-518 at installed wall thickness on flat insulation only.
A durable black polyethylene vapor barrier provides improved protection against ultra violet light. High tensile multi-directional fiberglass scrim is used under the vapor barrier to provide additional strength and tear resistance. Perm rating of 0.1 perms when measured per ASTM E96, Method A.
**THIS PRODUCT WILL ONLY BE SOLD WITH THE PURCHASE OF AN AIR CONDITIONING UNIT OR SYSTEM, NOT ON ITS OWN**